Backup assignments

Additional information:

Bachelor of science from U.S. Naval Academy,
1945; recipient of three honorary doctorates; Captain,
USN, Ret.;
flew 90 combat missions during the Korean War; test pilot; he is the only
astronaut to have flown Mercury, Gemini and Apollo; later own firm (Schirra
Enterprises) and private adviser, later retired; hobbies: Skiing, hunting,
sailing, fishing.